Public Launch Flows

[matejminar]

### Tasks
- [ ] AM2 beta banner announcing that we will start asking for money on DATE
- [ ] AM2 banner quota exceeded
- [ ] AM1 beta banner asking to update plan until DATE otherwise you'll loose access
- [ ] AM1 beta email for Ale
- [ ] AM1 metrics page experience (replace CTA on empty state with update plan)

[matejminar]

Raw notes:

- AM2 Beta banner announcing that we will start asking for money on DATE
    - owner
    - member
      - HEADS UP design email to buy metric hours (or these members have access to billing)
- AM2 banner quota exceeded
  - owner
  - member
    - CRITICAL design email to buy metric hours (or these members have access to billing)

- AM1 Beta banner asking to upgrade plan until DATE otherwise you'll loose access
  - owner
  - member
    - email to update plan (or these members have access to billing)
- AM1 Beta email from Ale

- GENERIC AM1 metrics page experience (no access)
  - modal
    - owner, upgrade inline or go to settings?
    - member, send email (or these members have access to billing)

Q
- manage subscription - where should it go so that I can buy metric hours
- how to get over quota information so that we can show banner
  - 75%?
- update plan - where to go/what modal to show

addEventsCTA / gsBanner

[matejminar]

Took these two items out of this task, they'll be tackled separately: https://github.com/getsentry/sentry/issues/71094 and https://github.com/getsentry/sentry/issues/71095